Data acquisition is a fundamental stage of the digital forensic workflow, where without it, it may not be possible to conduct many criminal inquiries effectively. While any investigative team may… Click to show full abstract
Data acquisition is a fundamental stage of the digital forensic workflow, where without it, it may not be possible to conduct many criminal inquiries effectively. While any investigative team may want access to all digital data available, it is no longer an approach that is considered justifiable or proportionate in all cases. There is now an increasing narrative highlighting the invasiveness of digital data acquisition processes and their impact upon privacy, with calls to ensure greater scrutiny is placed upon their use. This work proposes the "Order of Data Acquisition" which defines 10 digital data acquisition methods that are available to practitioners as a part of a forensic examination, derived from a review of existing literature and best practice acquisition approaches, and arranged by their "invasiveness." Each method is discussed with examples provided in order to clarify and formalize the process of determining a suitable acquisition method in every case while acknowledging privacy invasion concerns. Finally, conclusions are drawn.
               
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